20213115945

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{131}}^1\times {\mathrm{151}}^1\times {\mathrm{563}}^1$

素因数の和:875

約数の個数: 96

約数和(自身を含む): 36120978432

約数和(自身を除く): 15907862487

約数列:

[1, 3, 5, 11, 15, 33, 55, 121, 131, 151, 165, 363, 393, 453, 563, 605, 655, 755, 1441, 1661, 1689, 1815, 1965, 2265, 2815, 4323, 4983, 6193, 7205, 8305, 8445, 15851, 18271, 18579, 19781, 21615, 24915, 30965, 47553, 54813, 59343, 68123, 73753, 79255, 85013, 91355, 92895, 98905, 204369, 217591, 221259, 237765, 255039, 274065, 296715, 340615, 368765, 425065, 652773, 811283, 935143, 1021845, 1087955, 1106295, 1275195, 2393501, 2433849, 2805429, 3263865, 4056415, 4675715, 7180503, 8924113, 10286573, 11136703, 11967505, 12169245, 14027145, 26772339, 30859719, 33410109, 35902515, 44620565, 51432865, 55683515, 122503733, 133861695, 154298595, 167050545, 367511199, 612518665, 1347541063, 1837555995, 4042623189, 6737705315, 20213115945]

約数ペア:

[(1, 20213115945), (3, 6737705315), (5, 4042623189), (11, 1837555995), (15, 1347541063), (33, 612518665), (55, 367511199), (121, 167050545), (131, 154298595), (151, 133861695), (165, 122503733), (363, 55683515), (393, 51432865), (453, 44620565), (563, 35902515), (605, 33410109), (655, 30859719), (755, 26772339), (1441, 14027145), (1661, 12169245), (1689, 11967505), (1815, 11136703), (1965, 10286573), (2265, 8924113), (2815, 7180503), (4323, 4675715), (4983, 4056415), (6193, 3263865), (7205, 2805429), (8305, 2433849), (8445, 2393501), (15851, 1275195), (18271, 1106295), (18579, 1087955), (19781, 1021845), (21615, 935143), (24915, 811283), (30965, 652773), (47553, 425065), (54813, 368765), (59343, 340615), (68123, 296715), (73753, 274065), (79255, 255039), (85013, 237765), (91355, 221259), (92895, 217591), (98905, 204369)]