20177082780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{271}}^1\times {\mathrm{6299}}^1$

素因数の和:6779

約数の個数: 96

約数和(自身を含む): 57001190400

約数和(自身を除く): 36824107620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 197, 271, 394, 542, 591, 788, 813, 985, 1084, 1182, 1355, 1626, 1970, 2364, 2710, 2955, 3252, 3940, 4065, 5420, 5910, 6299, 8130, 11820, 12598, 16260, 18897, 25196, 31495, 37794, 53387, 62990, 75588, 94485, 106774, 125980, 160161, 188970, 213548, 266935, 320322, 377940, 533870, 640644, 800805, 1067740, 1240903, 1601610, 1707029, 2481806, 3203220, 3414058, 3722709, 4963612, 5121087, 6204515, 6828116, 7445418, 8535145, 10242174, 12409030, 14890836, 17070290, 18613545, 20484348, 24818060, 25605435, 34140580, 37227090, 51210870, 74454180, 102421740, 336284713, 672569426, 1008854139, 1345138852, 1681423565, 2017708278, 3362847130, 4035416556, 5044270695, 6725694260, 10088541390, 20177082780]

約数ペア:

[(1, 20177082780), (2, 10088541390), (3, 6725694260), (4, 5044270695), (5, 4035416556), (6, 3362847130), (10, 2017708278), (12, 1681423565), (15, 1345138852), (20, 1008854139), (30, 672569426), (60, 336284713), (197, 102421740), (271, 74454180), (394, 51210870), (542, 37227090), (591, 34140580), (788, 25605435), (813, 24818060), (985, 20484348), (1084, 18613545), (1182, 17070290), (1355, 14890836), (1626, 12409030), (1970, 10242174), (2364, 8535145), (2710, 7445418), (2955, 6828116), (3252, 6204515), (3940, 5121087), (4065, 4963612), (5420, 3722709), (5910, 3414058), (6299, 3203220), (8130, 2481806), (11820, 1707029), (12598, 1601610), (16260, 1240903), (18897, 1067740), (25196, 800805), (31495, 640644), (37794, 533870), (53387, 377940), (62990, 320322), (75588, 266935), (94485, 213548), (106774, 188970), (125980, 160161)]