20761472

素因数分解:

$2^7\times {\mathrm{61}}^1\times {\mathrm{2659}}^1$

素因数の和:2734

約数の個数: 32

約数和(自身を含む): 42054600

約数和(自身を除く): 21293128

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 128, 244, 488, 976, 1952, 2659, 3904, 5318, 7808, 10636, 21272, 42544, 85088, 162199, 170176, 324398, 340352, 648796, 1297592, 2595184, 5190368, 10380736, 20761472]

約数ペア:

[(1, 20761472), (2, 10380736), (4, 5190368), (8, 2595184), (16, 1297592), (32, 648796), (61, 340352), (64, 324398), (122, 170176), (128, 162199), (244, 85088), (488, 42544), (976, 21272), (1952, 10636), (2659, 7808), (3904, 5318)]