20068308

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{313}}^1$

素因数の和:473

約数の個数: 72

約数和(自身を含む): 55204968

約数和(自身を除く): 35136660

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 137, 156, 234, 274, 313, 411, 468, 548, 626, 822, 939, 1233, 1252, 1644, 1781, 1878, 2466, 2817, 3562, 3756, 4069, 4932, 5343, 5634, 7124, 8138, 10686, 11268, 12207, 16029, 16276, 21372, 24414, 32058, 36621, 42881, 48828, 64116, 73242, 85762, 128643, 146484, 171524, 257286, 385929, 514572, 557453, 771858, 1114906, 1543716, 1672359, 2229812, 3344718, 5017077, 6689436, 10034154, 20068308]

約数ペア:

[(1, 20068308), (2, 10034154), (3, 6689436), (4, 5017077), (6, 3344718), (9, 2229812), (12, 1672359), (13, 1543716), (18, 1114906), (26, 771858), (36, 557453), (39, 514572), (52, 385929), (78, 257286), (117, 171524), (137, 146484), (156, 128643), (234, 85762), (274, 73242), (313, 64116), (411, 48828), (468, 42881), (548, 36621), (626, 32058), (822, 24414), (939, 21372), (1233, 16276), (1252, 16029), (1644, 12207), (1781, 11268), (1878, 10686), (2466, 8138), (2817, 7124), (3562, 5634), (3756, 5343), (4069, 4932)]