20164250972

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{173}}^1\times {\mathrm{353}}^1$

素因数の和:687

約数の個数: 96

約数和(自身を含む): 38536428672

約数和(自身を除く): 18372177700

約数列:

[1, 2, 4, 23, 37, 46, 74, 92, 97, 148, 173, 194, 346, 353, 388, 692, 706, 851, 1412, 1702, 2231, 3404, 3589, 3979, 4462, 6401, 7178, 7958, 8119, 8924, 12802, 13061, 14356, 15916, 16238, 16781, 25604, 26122, 32476, 33562, 34241, 52244, 61069, 67124, 68482, 82547, 122138, 136964, 147223, 165094, 244276, 294446, 300403, 330188, 385963, 588892, 600806, 620897, 771926, 787543, 1201612, 1241794, 1266917, 1404587, 1543852, 1575086, 2259553, 2483588, 2533834, 2809174, 3150172, 4519106, 5067668, 5618348, 5923693, 9038212, 11847386, 14280631, 23694772, 28561262, 29139091, 51969719, 57122524, 58278182, 103939438, 116556364, 136244939, 207878876, 219176641, 272489878, 438353282, 544979756, 876706564, 5041062743, 10082125486, 20164250972]

約数ペア:

[(1, 20164250972), (2, 10082125486), (4, 5041062743), (23, 876706564), (37, 544979756), (46, 438353282), (74, 272489878), (92, 219176641), (97, 207878876), (148, 136244939), (173, 116556364), (194, 103939438), (346, 58278182), (353, 57122524), (388, 51969719), (692, 29139091), (706, 28561262), (851, 23694772), (1412, 14280631), (1702, 11847386), (2231, 9038212), (3404, 5923693), (3589, 5618348), (3979, 5067668), (4462, 4519106), (6401, 3150172), (7178, 2809174), (7958, 2533834), (8119, 2483588), (8924, 2259553), (12802, 1575086), (13061, 1543852), (14356, 1404587), (15916, 1266917), (16238, 1241794), (16781, 1201612), (25604, 787543), (26122, 771926), (32476, 620897), (33562, 600806), (34241, 588892), (52244, 385963), (61069, 330188), (67124, 300403), (68482, 294446), (82547, 244276), (122138, 165094), (136964, 147223)]