20108691480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2747089}}^1$

素因数の和:2747164

約数の個数: 64

約数和(自身を含む): 61315048800

約数和(自身を除く): 41206357320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 120, 122, 183, 244, 305, 366, 488, 610, 732, 915, 1220, 1464, 1830, 2440, 3660, 7320, 2747089, 5494178, 8241267, 10988356, 13735445, 16482534, 21976712, 27470890, 32965068, 41206335, 54941780, 65930136, 82412670, 109883560, 164825340, 167572429, 329650680, 335144858, 502717287, 670289716, 837862145, 1005434574, 1340579432, 1675724290, 2010869148, 2513586435, 3351448580, 4021738296, 5027172870, 6702897160, 10054345740, 20108691480]

約数ペア:

[(1, 20108691480), (2, 10054345740), (3, 6702897160), (4, 5027172870), (5, 4021738296), (6, 3351448580), (8, 2513586435), (10, 2010869148), (12, 1675724290), (15, 1340579432), (20, 1005434574), (24, 837862145), (30, 670289716), (40, 502717287), (60, 335144858), (61, 329650680), (120, 167572429), (122, 164825340), (183, 109883560), (244, 82412670), (305, 65930136), (366, 54941780), (488, 41206335), (610, 32965068), (732, 27470890), (915, 21976712), (1220, 16482534), (1464, 13735445), (1830, 10988356), (2440, 8241267), (3660, 5494178), (7320, 2747089)]