20120808276

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{172877}}^1$

素因数の和:173001

約数の個数: 72

約数和(自身を含む): 52670394504

約数和(自身を除く): 32549586228

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 61, 106, 122, 159, 183, 212, 244, 318, 366, 477, 549, 636, 732, 954, 1098, 1908, 2196, 3233, 6466, 9699, 12932, 19398, 29097, 38796, 58194, 116388, 172877, 345754, 518631, 691508, 1037262, 1555893, 2074524, 3111786, 6223572, 9162481, 10545497, 18324962, 21090994, 27487443, 31636491, 36649924, 42181988, 54974886, 63272982, 82462329, 94909473, 109949772, 126545964, 164924658, 189818946, 329849316, 379637892, 558911341, 1117822682, 1676734023, 2235645364, 3353468046, 5030202069, 6706936092, 10060404138, 20120808276]

約数ペア:

[(1, 20120808276), (2, 10060404138), (3, 6706936092), (4, 5030202069), (6, 3353468046), (9, 2235645364), (12, 1676734023), (18, 1117822682), (36, 558911341), (53, 379637892), (61, 329849316), (106, 189818946), (122, 164924658), (159, 126545964), (183, 109949772), (212, 94909473), (244, 82462329), (318, 63272982), (366, 54974886), (477, 42181988), (549, 36649924), (636, 31636491), (732, 27487443), (954, 21090994), (1098, 18324962), (1908, 10545497), (2196, 9162481), (3233, 6223572), (6466, 3111786), (9699, 2074524), (12932, 1555893), (19398, 1037262), (29097, 691508), (38796, 518631), (58194, 345754), (116388, 172877)]