20320650

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{6451}}^1$

素因数の和:6476

約数の個数: 72

約数和(自身を含む): 62403744

約数和(自身を除く): 42083094

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 35, 42, 45, 50, 63, 70, 75, 90, 105, 126, 150, 175, 210, 225, 315, 350, 450, 525, 630, 1050, 1575, 3150, 6451, 12902, 19353, 32255, 38706, 45157, 58059, 64510, 90314, 96765, 116118, 135471, 161275, 193530, 225785, 270942, 290295, 322550, 406413, 451570, 483825, 580590, 677355, 812826, 967650, 1128925, 1354710, 1451475, 2032065, 2257850, 2902950, 3386775, 4064130, 6773550, 10160325, 20320650]

約数ペア:

[(1, 20320650), (2, 10160325), (3, 6773550), (5, 4064130), (6, 3386775), (7, 2902950), (9, 2257850), (10, 2032065), (14, 1451475), (15, 1354710), (18, 1128925), (21, 967650), (25, 812826), (30, 677355), (35, 580590), (42, 483825), (45, 451570), (50, 406413), (63, 322550), (70, 290295), (75, 270942), (90, 225785), (105, 193530), (126, 161275), (150, 135471), (175, 116118), (210, 96765), (225, 90314), (315, 64510), (350, 58059), (450, 45157), (525, 38706), (630, 32255), (1050, 19353), (1575, 12902), (3150, 6451)]