20820278544

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{487}}^1\times {\mathrm{523}}^1$

素因数の和:1165

約数の個数: 160

約数和(自身を含む): 58596916224

約数和(自身を除く): 37776637680

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 131, 156, 208, 262, 312, 393, 487, 523, 524, 624, 786, 974, 1046, 1048, 1461, 1569, 1572, 1703, 1948, 2092, 2096, 2922, 3138, 3144, 3406, 3896, 4184, 5109, 5844, 6276, 6288, 6331, 6799, 6812, 7792, 8368, 10218, 11688, 12552, 12662, 13598, 13624, 18993, 20397, 20436, 23376, 25104, 25324, 27196, 27248, 37986, 40794, 40872, 50648, 54392, 63797, 68513, 75972, 81588, 81744, 101296, 108784, 127594, 137026, 151944, 163176, 191391, 205539, 254701, 255188, 274052, 303888, 326352, 382782, 411078, 509402, 510376, 548104, 764103, 765564, 822156, 829361, 890669, 1018804, 1020752, 1096208, 1528206, 1531128, 1644312, 1658722, 1781338, 2037608, 2488083, 2672007, 3056412, 3062256, 3288624, 3311113, 3317444, 3562676, 4075216, 4976166, 5344014, 6112824, 6622226, 6634888, 7125352, 9933339, 9952332, 10688028, 12225648, 13244452, 13269776, 14250704, 19866678, 19904664, 21376056, 26488904, 33365831, 39733356, 39809328, 42752112, 52977808, 66731662, 79466712, 100097493, 133463324, 158933424, 200194986, 266926648, 400389972, 433755803, 533853296, 800779944, 867511606, 1301267409, 1601559888, 1735023212, 2602534818, 3470046424, 5205069636, 6940092848, 10410139272, 20820278544]

約数ペア:

[(1, 20820278544), (2, 10410139272), (3, 6940092848), (4, 5205069636), (6, 3470046424), (8, 2602534818), (12, 1735023212), (13, 1601559888), (16, 1301267409), (24, 867511606), (26, 800779944), (39, 533853296), (48, 433755803), (52, 400389972), (78, 266926648), (104, 200194986), (131, 158933424), (156, 133463324), (208, 100097493), (262, 79466712), (312, 66731662), (393, 52977808), (487, 42752112), (523, 39809328), (524, 39733356), (624, 33365831), (786, 26488904), (974, 21376056), (1046, 19904664), (1048, 19866678), (1461, 14250704), (1569, 13269776), (1572, 13244452), (1703, 12225648), (1948, 10688028), (2092, 9952332), (2096, 9933339), (2922, 7125352), (3138, 6634888), (3144, 6622226), (3406, 6112824), (3896, 5344014), (4184, 4976166), (5109, 4075216), (5844, 3562676), (6276, 3317444), (6288, 3311113), (6331, 3288624), (6799, 3062256), (6812, 3056412), (7792, 2672007), (8368, 2488083), (10218, 2037608), (11688, 1781338), (12552, 1658722), (12662, 1644312), (13598, 1531128), (13624, 1528206), (18993, 1096208), (20397, 1020752), (20436, 1018804), (23376, 890669), (25104, 829361), (25324, 822156), (27196, 765564), (27248, 764103), (37986, 548104), (40794, 510376), (40872, 509402), (50648, 411078), (54392, 382782), (63797, 326352), (68513, 303888), (75972, 274052), (81588, 255188), (81744, 254701), (101296, 205539), (108784, 191391), (127594, 163176), (137026, 151944)]