20131946725

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{83}}^1\times {\mathrm{181}}^1\times {\mathrm{443}}^1$

素因数の和:739

約数の個数: 72

約数和(自身を含む): 27986396256

約数和(自身を除く): 7854449531

約数列:

[1, 5, 11, 25, 55, 83, 121, 181, 275, 415, 443, 605, 905, 913, 1991, 2075, 2215, 3025, 4525, 4565, 4873, 9955, 10043, 11075, 15023, 21901, 22825, 24365, 36769, 49775, 50215, 53603, 75115, 80183, 109505, 121825, 165253, 183845, 251075, 268015, 375575, 400915, 404459, 547525, 826265, 882013, 919225, 1340075, 1817783, 2004575, 2022295, 4131325, 4410065, 4449049, 6655189, 9088915, 9702143, 10111475, 22050325, 22245245, 33275945, 45444575, 48510715, 73207079, 111226225, 166379725, 242553575, 366035395, 805277869, 1830176975, 4026389345, 20131946725]

約数ペア:

[(1, 20131946725), (5, 4026389345), (11, 1830176975), (25, 805277869), (55, 366035395), (83, 242553575), (121, 166379725), (181, 111226225), (275, 73207079), (415, 48510715), (443, 45444575), (605, 33275945), (905, 22245245), (913, 22050325), (1991, 10111475), (2075, 9702143), (2215, 9088915), (3025, 6655189), (4525, 4449049), (4565, 4410065), (4873, 4131325), (9955, 2022295), (10043, 2004575), (11075, 1817783), (15023, 1340075), (21901, 919225), (22825, 882013), (24365, 826265), (36769, 547525), (49775, 404459), (50215, 400915), (53603, 375575), (75115, 268015), (80183, 251075), (109505, 183845), (121825, 165253)]