20165558148

素因数分解:

$2^2\times 3^5\times {\mathrm{421}}^1\times {\mathrm{49279}}^1$

素因数の和:49719

約数の個数: 72

約数和(自身を含む): 52988615680

約数和(自身を除く): 32823057532

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 421, 486, 842, 972, 1263, 1684, 2526, 3789, 5052, 7578, 11367, 15156, 22734, 34101, 45468, 49279, 68202, 98558, 102303, 136404, 147837, 197116, 204606, 295674, 409212, 443511, 591348, 887022, 1330533, 1774044, 2661066, 3991599, 5322132, 7983198, 11974797, 15966396, 20746459, 23949594, 41492918, 47899188, 62239377, 82985836, 124478754, 186718131, 248957508, 373436262, 560154393, 746872524, 1120308786, 1680463179, 2240617572, 3360926358, 5041389537, 6721852716, 10082779074, 20165558148]

約数ペア:

[(1, 20165558148), (2, 10082779074), (3, 6721852716), (4, 5041389537), (6, 3360926358), (9, 2240617572), (12, 1680463179), (18, 1120308786), (27, 746872524), (36, 560154393), (54, 373436262), (81, 248957508), (108, 186718131), (162, 124478754), (243, 82985836), (324, 62239377), (421, 47899188), (486, 41492918), (842, 23949594), (972, 20746459), (1263, 15966396), (1684, 11974797), (2526, 7983198), (3789, 5322132), (5052, 3991599), (7578, 2661066), (11367, 1774044), (15156, 1330533), (22734, 887022), (34101, 591348), (45468, 443511), (49279, 409212), (68202, 295674), (98558, 204606), (102303, 197116), (136404, 147837)]