20361900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1$

素因数の和:280

約数の個数: 144

約数和(自身を含む): 66495744

約数和(自身を除く): 46133844

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 23, 25, 26, 30, 39, 46, 50, 52, 60, 65, 69, 75, 78, 92, 100, 115, 130, 138, 150, 156, 195, 227, 230, 260, 276, 299, 300, 325, 345, 390, 454, 460, 575, 598, 650, 681, 690, 780, 897, 908, 975, 1135, 1150, 1196, 1300, 1362, 1380, 1495, 1725, 1794, 1950, 2270, 2300, 2724, 2951, 2990, 3405, 3450, 3588, 3900, 4485, 4540, 5221, 5675, 5902, 5980, 6810, 6900, 7475, 8853, 8970, 10442, 11350, 11804, 13620, 14755, 14950, 15663, 17025, 17706, 17940, 20884, 22425, 22700, 26105, 29510, 29900, 31326, 34050, 35412, 44265, 44850, 52210, 59020, 62652, 67873, 68100, 73775, 78315, 88530, 89700, 104420, 130525, 135746, 147550, 156630, 177060, 203619, 221325, 261050, 271492, 295100, 313260, 339365, 391575, 407238, 442650, 522100, 678730, 783150, 814476, 885300, 1018095, 1357460, 1566300, 1696825, 2036190, 3393650, 4072380, 5090475, 6787300, 10180950, 20361900]

約数ペア:

[(1, 20361900), (2, 10180950), (3, 6787300), (4, 5090475), (5, 4072380), (6, 3393650), (10, 2036190), (12, 1696825), (13, 1566300), (15, 1357460), (20, 1018095), (23, 885300), (25, 814476), (26, 783150), (30, 678730), (39, 522100), (46, 442650), (50, 407238), (52, 391575), (60, 339365), (65, 313260), (69, 295100), (75, 271492), (78, 261050), (92, 221325), (100, 203619), (115, 177060), (130, 156630), (138, 147550), (150, 135746), (156, 130525), (195, 104420), (227, 89700), (230, 88530), (260, 78315), (276, 73775), (299, 68100), (300, 67873), (325, 62652), (345, 59020), (390, 52210), (454, 44850), (460, 44265), (575, 35412), (598, 34050), (650, 31326), (681, 29900), (690, 29510), (780, 26105), (897, 22700), (908, 22425), (975, 20884), (1135, 17940), (1150, 17706), (1196, 17025), (1300, 15663), (1362, 14950), (1380, 14755), (1495, 13620), (1725, 11804), (1794, 11350), (1950, 10442), (2270, 8970), (2300, 8853), (2724, 7475), (2951, 6900), (2990, 6810), (3405, 5980), (3450, 5902), (3588, 5675), (3900, 5221), (4485, 4540)]