20894490

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4073}}^1$

素因数の和:4108

約数の個数: 64

約数和(自身を含む): 58665600

約数和(自身を除く): 37771110

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 38, 45, 54, 57, 90, 95, 114, 135, 171, 190, 270, 285, 342, 513, 570, 855, 1026, 1710, 2565, 4073, 5130, 8146, 12219, 20365, 24438, 36657, 40730, 61095, 73314, 77387, 109971, 122190, 154774, 183285, 219942, 232161, 366570, 386935, 464322, 549855, 696483, 773870, 1099710, 1160805, 1392966, 2089449, 2321610, 3482415, 4178898, 6964830, 10447245, 20894490]

約数ペア:

[(1, 20894490), (2, 10447245), (3, 6964830), (5, 4178898), (6, 3482415), (9, 2321610), (10, 2089449), (15, 1392966), (18, 1160805), (19, 1099710), (27, 773870), (30, 696483), (38, 549855), (45, 464322), (54, 386935), (57, 366570), (90, 232161), (95, 219942), (114, 183285), (135, 154774), (171, 122190), (190, 109971), (270, 77387), (285, 73314), (342, 61095), (513, 40730), (570, 36657), (855, 24438), (1026, 20365), (1710, 12219), (2565, 8146), (4073, 5130)]