20156822271

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1\times {\mathrm{2617}}^1$

素因数の和:2885

約数の個数: 64

約数和(自身を含む): 31767859200

約数和(自身を除く): 11611036929

約数列:

[1, 3, 9, 23, 27, 69, 79, 157, 207, 237, 471, 621, 711, 1413, 1817, 2133, 2617, 3611, 4239, 5451, 7851, 10833, 12403, 16353, 23553, 32499, 37209, 49059, 60191, 70659, 97497, 111627, 180573, 206743, 285269, 334881, 410869, 541719, 620229, 855807, 1232607, 1625157, 1860687, 2567421, 3697821, 4755089, 5582061, 7702263, 9449987, 11093463, 14265267, 28349961, 32458651, 42795801, 85049883, 97375953, 128387403, 255149649, 292127859, 746548973, 876383577, 2239646919, 6718940757, 20156822271]

約数ペア:

[(1, 20156822271), (3, 6718940757), (9, 2239646919), (23, 876383577), (27, 746548973), (69, 292127859), (79, 255149649), (157, 128387403), (207, 97375953), (237, 85049883), (471, 42795801), (621, 32458651), (711, 28349961), (1413, 14265267), (1817, 11093463), (2133, 9449987), (2617, 7702263), (3611, 5582061), (4239, 4755089), (5451, 3697821), (7851, 2567421), (10833, 1860687), (12403, 1625157), (16353, 1232607), (23553, 855807), (32499, 620229), (37209, 541719), (49059, 410869), (60191, 334881), (70659, 285269), (97497, 206743), (111627, 180573)]