20699796

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{59}}^1\times {\mathrm{173}}^1$

素因数の和:265

約数の個数: 72

約数和(自身を含む): 53494560

約数和(自身を除く): 32794764

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 59, 78, 118, 156, 169, 173, 177, 236, 338, 346, 354, 507, 519, 676, 692, 708, 767, 1014, 1038, 1534, 2028, 2076, 2249, 2301, 3068, 4498, 4602, 6747, 8996, 9204, 9971, 10207, 13494, 19942, 20414, 26988, 29237, 29913, 30621, 39884, 40828, 58474, 59826, 61242, 87711, 116948, 119652, 122484, 132691, 175422, 265382, 350844, 398073, 530764, 796146, 1592292, 1724983, 3449966, 5174949, 6899932, 10349898, 20699796]

約数ペア:

[(1, 20699796), (2, 10349898), (3, 6899932), (4, 5174949), (6, 3449966), (12, 1724983), (13, 1592292), (26, 796146), (39, 530764), (52, 398073), (59, 350844), (78, 265382), (118, 175422), (156, 132691), (169, 122484), (173, 119652), (177, 116948), (236, 87711), (338, 61242), (346, 59826), (354, 58474), (507, 40828), (519, 39884), (676, 30621), (692, 29913), (708, 29237), (767, 26988), (1014, 20414), (1038, 19942), (1534, 13494), (2028, 10207), (2076, 9971), (2249, 9204), (2301, 8996), (3068, 6747), (4498, 4602)]