20734320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4547}}^1$

素因数の和:4582

約数の個数: 80

約数和(自身を含む): 67674240

約数和(自身を除く): 46939920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 380, 456, 570, 760, 912, 1140, 1520, 2280, 4547, 4560, 9094, 13641, 18188, 22735, 27282, 36376, 45470, 54564, 68205, 72752, 86393, 90940, 109128, 136410, 172786, 181880, 218256, 259179, 272820, 345572, 363760, 431965, 518358, 545640, 691144, 863930, 1036716, 1091280, 1295895, 1382288, 1727860, 2073432, 2591790, 3455720, 4146864, 5183580, 6911440, 10367160, 20734320]

約数ペア:

[(1, 20734320), (2, 10367160), (3, 6911440), (4, 5183580), (5, 4146864), (6, 3455720), (8, 2591790), (10, 2073432), (12, 1727860), (15, 1382288), (16, 1295895), (19, 1091280), (20, 1036716), (24, 863930), (30, 691144), (38, 545640), (40, 518358), (48, 431965), (57, 363760), (60, 345572), (76, 272820), (80, 259179), (95, 218256), (114, 181880), (120, 172786), (152, 136410), (190, 109128), (228, 90940), (240, 86393), (285, 72752), (304, 68205), (380, 54564), (456, 45470), (570, 36376), (760, 27282), (912, 22735), (1140, 18188), (1520, 13641), (2280, 9094), (4547, 4560)]