20553390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1597}}^1$

素因数の和:1634

約数の個数: 96

約数和(自身を含む): 62820576

約数和(自身を除く): 42267186

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 13, 15, 18, 22, 26, 30, 33, 39, 45, 55, 65, 66, 78, 90, 99, 110, 117, 130, 143, 165, 195, 198, 234, 286, 330, 390, 429, 495, 585, 715, 858, 990, 1170, 1287, 1430, 1597, 2145, 2574, 3194, 4290, 4791, 6435, 7985, 9582, 12870, 14373, 15970, 17567, 20761, 23955, 28746, 35134, 41522, 47910, 52701, 62283, 71865, 87835, 103805, 105402, 124566, 143730, 158103, 175670, 186849, 207610, 228371, 263505, 311415, 316206, 373698, 456742, 527010, 622830, 685113, 790515, 934245, 1141855, 1370226, 1581030, 1868490, 2055339, 2283710, 3425565, 4110678, 6851130, 10276695, 20553390]

約数ペア:

[(1, 20553390), (2, 10276695), (3, 6851130), (5, 4110678), (6, 3425565), (9, 2283710), (10, 2055339), (11, 1868490), (13, 1581030), (15, 1370226), (18, 1141855), (22, 934245), (26, 790515), (30, 685113), (33, 622830), (39, 527010), (45, 456742), (55, 373698), (65, 316206), (66, 311415), (78, 263505), (90, 228371), (99, 207610), (110, 186849), (117, 175670), (130, 158103), (143, 143730), (165, 124566), (195, 105402), (198, 103805), (234, 87835), (286, 71865), (330, 62283), (390, 52701), (429, 47910), (495, 41522), (585, 35134), (715, 28746), (858, 23955), (990, 20761), (1170, 17567), (1287, 15970), (1430, 14373), (1597, 12870), (2145, 9582), (2574, 7985), (3194, 6435), (4290, 4791)]