20120855440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{6553}}^1\times {\mathrm{5483}}^1$

素因数の和:12056

約数の個数: 80

約数和(自身を含む): 53481898368

約数和(自身を除く): 33361042928

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 5483, 6553, 10966, 13106, 21932, 26212, 27415, 32765, 38381, 43864, 45871, 52424, 54830, 65530, 76762, 87728, 91742, 104848, 109660, 131060, 153524, 183484, 191905, 219320, 229355, 262120, 307048, 366968, 383810, 438640, 458710, 524240, 614096, 733936, 767620, 917420, 1535240, 1834840, 3070480, 3669680, 35930099, 71860198, 143720396, 179650495, 251510693, 287440792, 359300990, 503021386, 574881584, 718601980, 1006042772, 1257553465, 1437203960, 2012085544, 2515106930, 2874407920, 4024171088, 5030213860, 10060427720, 20120855440]

約数ペア:

[(1, 20120855440), (2, 10060427720), (4, 5030213860), (5, 4024171088), (7, 2874407920), (8, 2515106930), (10, 2012085544), (14, 1437203960), (16, 1257553465), (20, 1006042772), (28, 718601980), (35, 574881584), (40, 503021386), (56, 359300990), (70, 287440792), (80, 251510693), (112, 179650495), (140, 143720396), (280, 71860198), (560, 35930099), (5483, 3669680), (6553, 3070480), (10966, 1834840), (13106, 1535240), (21932, 917420), (26212, 767620), (27415, 733936), (32765, 614096), (38381, 524240), (43864, 458710), (45871, 438640), (52424, 383810), (54830, 366968), (65530, 307048), (76762, 262120), (87728, 229355), (91742, 219320), (104848, 191905), (109660, 183484), (131060, 153524)]