20149678380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{326999}}^1$

素因数の和:327103

約数の個数: 96

約数和(自身を含む): 61528320000

約数和(自身を除く): 41378641620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 79, 130, 156, 158, 195, 237, 260, 316, 390, 395, 474, 780, 790, 948, 1027, 1185, 1580, 2054, 2370, 3081, 4108, 4740, 5135, 6162, 10270, 12324, 15405, 20540, 30810, 61620, 326999, 653998, 980997, 1307996, 1634995, 1961994, 3269990, 3923988, 4250987, 4904985, 6539980, 8501974, 9809970, 12752961, 17003948, 19619940, 21254935, 25505922, 25832921, 42509870, 51011844, 51665842, 63764805, 77498763, 85019740, 103331684, 127529610, 129164605, 154997526, 255059220, 258329210, 309995052, 335827973, 387493815, 516658420, 671655946, 774987630, 1007483919, 1343311892, 1549975260, 1679139865, 2014967838, 3358279730, 4029935676, 5037419595, 6716559460, 10074839190, 20149678380]

約数ペア:

[(1, 20149678380), (2, 10074839190), (3, 6716559460), (4, 5037419595), (5, 4029935676), (6, 3358279730), (10, 2014967838), (12, 1679139865), (13, 1549975260), (15, 1343311892), (20, 1007483919), (26, 774987630), (30, 671655946), (39, 516658420), (52, 387493815), (60, 335827973), (65, 309995052), (78, 258329210), (79, 255059220), (130, 154997526), (156, 129164605), (158, 127529610), (195, 103331684), (237, 85019740), (260, 77498763), (316, 63764805), (390, 51665842), (395, 51011844), (474, 42509870), (780, 25832921), (790, 25505922), (948, 21254935), (1027, 19619940), (1185, 17003948), (1580, 12752961), (2054, 9809970), (2370, 8501974), (3081, 6539980), (4108, 4904985), (4740, 4250987), (5135, 3923988), (6162, 3269990), (10270, 1961994), (12324, 1634995), (15405, 1307996), (20540, 980997), (30810, 653998), (61620, 326999)]