20120573412

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{498577}}^1$

素因数の和:498665

約数の個数: 72

約数和(自身を含む): 54444717600

約数和(自身を除く): 34324144188

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 59, 76, 114, 118, 171, 177, 228, 236, 342, 354, 531, 684, 708, 1062, 1121, 2124, 2242, 3363, 4484, 6726, 10089, 13452, 20178, 40356, 498577, 997154, 1495731, 1994308, 2991462, 4487193, 5982924, 8974386, 9472963, 17948772, 18945926, 28418889, 29416043, 37891852, 56837778, 58832086, 85256667, 88248129, 113675556, 117664172, 170513334, 176496258, 264744387, 341026668, 352992516, 529488774, 558904817, 1058977548, 1117809634, 1676714451, 2235619268, 3353428902, 5030143353, 6706857804, 10060286706, 20120573412]

約数ペア:

[(1, 20120573412), (2, 10060286706), (3, 6706857804), (4, 5030143353), (6, 3353428902), (9, 2235619268), (12, 1676714451), (18, 1117809634), (19, 1058977548), (36, 558904817), (38, 529488774), (57, 352992516), (59, 341026668), (76, 264744387), (114, 176496258), (118, 170513334), (171, 117664172), (177, 113675556), (228, 88248129), (236, 85256667), (342, 58832086), (354, 56837778), (531, 37891852), (684, 29416043), (708, 28418889), (1062, 18945926), (1121, 17948772), (2124, 9472963), (2242, 8974386), (3363, 5982924), (4484, 4487193), (6726, 2991462), (10089, 1994308), (13452, 1495731), (20178, 997154), (40356, 498577)]