20153353356

素因数分解:

$2^2\times 3^2\times {\mathrm{157}}^1\times {\mathrm{173}}^1\times {\mathrm{20611}}^1$

素因数の和:20951

約数の個数: 72

約数和(自身を含む): 51566524464

約数和(自身を除く): 31413171108

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 157, 173, 314, 346, 471, 519, 628, 692, 942, 1038, 1413, 1557, 1884, 2076, 2826, 3114, 5652, 6228, 20611, 27161, 41222, 54322, 61833, 81483, 82444, 108644, 123666, 162966, 185499, 244449, 247332, 325932, 370998, 488898, 741996, 977796, 3235927, 3565703, 6471854, 7131406, 9707781, 10697109, 12943708, 14262812, 19415562, 21394218, 29123343, 32091327, 38831124, 42788436, 58246686, 64182654, 116493372, 128365308, 559815371, 1119630742, 1679446113, 2239261484, 3358892226, 5038338339, 6717784452, 10076676678, 20153353356]

約数ペア:

[(1, 20153353356), (2, 10076676678), (3, 6717784452), (4, 5038338339), (6, 3358892226), (9, 2239261484), (12, 1679446113), (18, 1119630742), (36, 559815371), (157, 128365308), (173, 116493372), (314, 64182654), (346, 58246686), (471, 42788436), (519, 38831124), (628, 32091327), (692, 29123343), (942, 21394218), (1038, 19415562), (1413, 14262812), (1557, 12943708), (1884, 10697109), (2076, 9707781), (2826, 7131406), (3114, 6471854), (5652, 3565703), (6228, 3235927), (20611, 977796), (27161, 741996), (41222, 488898), (54322, 370998), (61833, 325932), (81483, 247332), (82444, 244449), (108644, 185499), (123666, 162966)]