20268300

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{5197}}^1$

素因数の和:5227

約数の個数: 72

約数和(自身を含む): 63166096

約数和(自身を除く): 42897796

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 5197, 10394, 15591, 20788, 25985, 31182, 51970, 62364, 67561, 77955, 103940, 129925, 135122, 155910, 202683, 259850, 270244, 311820, 337805, 389775, 405366, 519700, 675610, 779550, 810732, 1013415, 1351220, 1559100, 1689025, 2026830, 3378050, 4053660, 5067075, 6756100, 10134150, 20268300]

約数ペア:

[(1, 20268300), (2, 10134150), (3, 6756100), (4, 5067075), (5, 4053660), (6, 3378050), (10, 2026830), (12, 1689025), (13, 1559100), (15, 1351220), (20, 1013415), (25, 810732), (26, 779550), (30, 675610), (39, 519700), (50, 405366), (52, 389775), (60, 337805), (65, 311820), (75, 270244), (78, 259850), (100, 202683), (130, 155910), (150, 135122), (156, 129925), (195, 103940), (260, 77955), (300, 67561), (325, 62364), (390, 51970), (650, 31182), (780, 25985), (975, 20788), (1300, 15591), (1950, 10394), (3900, 5197)]