20460570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2281}}^1$

素因数の和:2327

約数の個数: 64

約数和(自身を含む): 55206144

約数和(自身を除く): 34745574

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 23, 26, 30, 39, 46, 65, 69, 78, 115, 130, 138, 195, 230, 299, 345, 390, 598, 690, 897, 1495, 1794, 2281, 2990, 4485, 4562, 6843, 8970, 11405, 13686, 22810, 29653, 34215, 52463, 59306, 68430, 88959, 104926, 148265, 157389, 177918, 262315, 296530, 314778, 444795, 524630, 682019, 786945, 889590, 1364038, 1573890, 2046057, 3410095, 4092114, 6820190, 10230285, 20460570]

約数ペア:

[(1, 20460570), (2, 10230285), (3, 6820190), (5, 4092114), (6, 3410095), (10, 2046057), (13, 1573890), (15, 1364038), (23, 889590), (26, 786945), (30, 682019), (39, 524630), (46, 444795), (65, 314778), (69, 296530), (78, 262315), (115, 177918), (130, 157389), (138, 148265), (195, 104926), (230, 88959), (299, 68430), (345, 59306), (390, 52463), (598, 34215), (690, 29653), (897, 22810), (1495, 13686), (1794, 11405), (2281, 8970), (2990, 6843), (4485, 4562)]