20087986620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25753829}}^1$

素因数の和:25753854

約数の個数: 48

約数和(自身を含む): 60573008160

約数和(自身を除く): 40485021540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 25753829, 51507658, 77261487, 103015316, 128769145, 154522974, 257538290, 309045948, 334799777, 386307435, 515076580, 669599554, 772614870, 1004399331, 1339199108, 1545229740, 1673998885, 2008798662, 3347997770, 4017597324, 5021996655, 6695995540, 10043993310, 20087986620]

約数ペア:

[(1, 20087986620), (2, 10043993310), (3, 6695995540), (4, 5021996655), (5, 4017597324), (6, 3347997770), (10, 2008798662), (12, 1673998885), (13, 1545229740), (15, 1339199108), (20, 1004399331), (26, 772614870), (30, 669599554), (39, 515076580), (52, 386307435), (60, 334799777), (65, 309045948), (78, 257538290), (130, 154522974), (156, 128769145), (195, 103015316), (260, 77261487), (390, 51507658), (780, 25753829)]