20475378

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1$

素因数の和:133

約数の個数: 144

約数和(自身を含む): 59754240

約数和(自身を除く): 39278862

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 17, 18, 21, 22, 33, 34, 42, 51, 63, 66, 77, 79, 99, 102, 119, 121, 126, 153, 154, 158, 187, 198, 231, 237, 238, 242, 306, 357, 363, 374, 462, 474, 553, 561, 693, 711, 714, 726, 847, 869, 1071, 1089, 1106, 1122, 1309, 1343, 1386, 1422, 1659, 1683, 1694, 1738, 2057, 2142, 2178, 2541, 2607, 2618, 2686, 3318, 3366, 3927, 4029, 4114, 4977, 5082, 5214, 6083, 6171, 7623, 7821, 7854, 8058, 9401, 9559, 9954, 11781, 12087, 12166, 12342, 14399, 14773, 15246, 15642, 18249, 18513, 18802, 19118, 23562, 24174, 28203, 28677, 28798, 29546, 36498, 37026, 43197, 44319, 54747, 56406, 57354, 66913, 84609, 86031, 86394, 88638, 103411, 109494, 129591, 132957, 133826, 162503, 169218, 172062, 200739, 206822, 259182, 265914, 310233, 325006, 401478, 487509, 602217, 620466, 930699, 975018, 1137521, 1204434, 1462527, 1861398, 2275042, 2925054, 3412563, 6825126, 10237689, 20475378]

約数ペア:

[(1, 20475378), (2, 10237689), (3, 6825126), (6, 3412563), (7, 2925054), (9, 2275042), (11, 1861398), (14, 1462527), (17, 1204434), (18, 1137521), (21, 975018), (22, 930699), (33, 620466), (34, 602217), (42, 487509), (51, 401478), (63, 325006), (66, 310233), (77, 265914), (79, 259182), (99, 206822), (102, 200739), (119, 172062), (121, 169218), (126, 162503), (153, 133826), (154, 132957), (158, 129591), (187, 109494), (198, 103411), (231, 88638), (237, 86394), (238, 86031), (242, 84609), (306, 66913), (357, 57354), (363, 56406), (374, 54747), (462, 44319), (474, 43197), (553, 37026), (561, 36498), (693, 29546), (711, 28798), (714, 28677), (726, 28203), (847, 24174), (869, 23562), (1071, 19118), (1089, 18802), (1106, 18513), (1122, 18249), (1309, 15642), (1343, 15246), (1386, 14773), (1422, 14399), (1659, 12342), (1683, 12166), (1694, 12087), (1738, 11781), (2057, 9954), (2142, 9559), (2178, 9401), (2541, 8058), (2607, 7854), (2618, 7821), (2686, 7623), (3318, 6171), (3366, 6083), (3927, 5214), (4029, 5082), (4114, 4977)]