20155531140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{6971}}^1\times {\mathrm{16063}}^1$

素因数の和:23049

約数の個数: 72

約数和(自身を含む): 61151021568

約数和(自身を除く): 40995490428

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 6971, 13942, 16063, 20913, 27884, 32126, 34855, 41826, 48189, 62739, 64252, 69710, 80315, 83652, 96378, 104565, 125478, 139420, 144567, 160630, 192756, 209130, 240945, 250956, 289134, 313695, 321260, 418260, 481890, 578268, 627390, 722835, 963780, 1254780, 1445670, 2891340, 111975173, 223950346, 335925519, 447900692, 559875865, 671851038, 1007776557, 1119751730, 1343702076, 1679627595, 2015553114, 2239503460, 3359255190, 4031106228, 5038882785, 6718510380, 10077765570, 20155531140]

約数ペア:

[(1, 20155531140), (2, 10077765570), (3, 6718510380), (4, 5038882785), (5, 4031106228), (6, 3359255190), (9, 2239503460), (10, 2015553114), (12, 1679627595), (15, 1343702076), (18, 1119751730), (20, 1007776557), (30, 671851038), (36, 559875865), (45, 447900692), (60, 335925519), (90, 223950346), (180, 111975173), (6971, 2891340), (13942, 1445670), (16063, 1254780), (20913, 963780), (27884, 722835), (32126, 627390), (34855, 578268), (41826, 481890), (48189, 418260), (62739, 321260), (64252, 313695), (69710, 289134), (80315, 250956), (83652, 240945), (96378, 209130), (104565, 192756), (125478, 160630), (139420, 144567)]