20821744260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{9413}}^1\times {\mathrm{12289}}^1$

素因数の和:21717

約数の個数: 72

約数和(自身を含む): 63171140760

約数和(自身を除く): 42349396500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 9413, 12289, 18826, 24578, 28239, 36867, 37652, 47065, 49156, 56478, 61445, 73734, 84717, 94130, 110601, 112956, 122890, 141195, 147468, 169434, 184335, 188260, 221202, 245780, 282390, 338868, 368670, 423585, 442404, 553005, 564780, 737340, 847170, 1106010, 1694340, 2212020, 115676357, 231352714, 347029071, 462705428, 578381785, 694058142, 1041087213, 1156763570, 1388116284, 1735145355, 2082174426, 2313527140, 3470290710, 4164348852, 5205436065, 6940581420, 10410872130, 20821744260]

約数ペア:

[(1, 20821744260), (2, 10410872130), (3, 6940581420), (4, 5205436065), (5, 4164348852), (6, 3470290710), (9, 2313527140), (10, 2082174426), (12, 1735145355), (15, 1388116284), (18, 1156763570), (20, 1041087213), (30, 694058142), (36, 578381785), (45, 462705428), (60, 347029071), (90, 231352714), (180, 115676357), (9413, 2212020), (12289, 1694340), (18826, 1106010), (24578, 847170), (28239, 737340), (36867, 564780), (37652, 553005), (47065, 442404), (49156, 423585), (56478, 368670), (61445, 338868), (73734, 282390), (84717, 245780), (94130, 221202), (110601, 188260), (112956, 184335), (122890, 169434), (141195, 147468)]