20911700280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{7576703}}^1$

素因数の和:7576740

約数の個数: 64

約数和(自身を含む): 65462722560

約数和(自身を除く): 44551022280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 7576703, 15153406, 22730109, 30306812, 37883515, 45460218, 60613624, 75767030, 90920436, 113650545, 151534060, 174264169, 181840872, 227301090, 303068120, 348528338, 454602180, 522792507, 697056676, 871320845, 909204360, 1045585014, 1394113352, 1742641690, 2091170028, 2613962535, 3485283380, 4182340056, 5227925070, 6970566760, 10455850140, 20911700280]

約数ペア:

[(1, 20911700280), (2, 10455850140), (3, 6970566760), (4, 5227925070), (5, 4182340056), (6, 3485283380), (8, 2613962535), (10, 2091170028), (12, 1742641690), (15, 1394113352), (20, 1045585014), (23, 909204360), (24, 871320845), (30, 697056676), (40, 522792507), (46, 454602180), (60, 348528338), (69, 303068120), (92, 227301090), (115, 181840872), (120, 174264169), (138, 151534060), (184, 113650545), (230, 90920436), (276, 75767030), (345, 60613624), (460, 45460218), (552, 37883515), (690, 30306812), (920, 22730109), (1380, 15153406), (2760, 7576703)]