20123348392

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{677}}^1\times {\mathrm{31223}}^1$

素因数の和:31930

約数の個数: 64

約数和(自身を含む): 45726923520

約数和(自身を除く): 25603575128

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 136, 238, 476, 677, 952, 1354, 2708, 4739, 5416, 9478, 11509, 18956, 23018, 31223, 37912, 46036, 62446, 80563, 92072, 124892, 161126, 218561, 249784, 322252, 437122, 530791, 644504, 874244, 1061582, 1748488, 2123164, 3715537, 4246328, 7431074, 14862148, 21137971, 29724296, 42275942, 84551884, 147965797, 169103768, 295931594, 359345507, 591863188, 718691014, 1183726376, 1437382028, 2515418549, 2874764056, 5030837098, 10061674196, 20123348392]

約数ペア:

[(1, 20123348392), (2, 10061674196), (4, 5030837098), (7, 2874764056), (8, 2515418549), (14, 1437382028), (17, 1183726376), (28, 718691014), (34, 591863188), (56, 359345507), (68, 295931594), (119, 169103768), (136, 147965797), (238, 84551884), (476, 42275942), (677, 29724296), (952, 21137971), (1354, 14862148), (2708, 7431074), (4739, 4246328), (5416, 3715537), (9478, 2123164), (11509, 1748488), (18956, 1061582), (23018, 874244), (31223, 644504), (37912, 530791), (46036, 437122), (62446, 322252), (80563, 249784), (92072, 218561), (124892, 161126)]