20203950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{797}}^1$

素因数の和:838

約数の個数: 72

約数和(自身を含む): 54324648

約数和(自身を除く): 34120698

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 169, 195, 325, 338, 390, 507, 650, 797, 845, 975, 1014, 1594, 1690, 1950, 2391, 2535, 3985, 4225, 4782, 5070, 7970, 8450, 10361, 11955, 12675, 19925, 20722, 23910, 25350, 31083, 39850, 51805, 59775, 62166, 103610, 119550, 134693, 155415, 259025, 269386, 310830, 404079, 518050, 673465, 777075, 808158, 1346930, 1554150, 2020395, 3367325, 4040790, 6734650, 10101975, 20203950]

約数ペア:

[(1, 20203950), (2, 10101975), (3, 6734650), (5, 4040790), (6, 3367325), (10, 2020395), (13, 1554150), (15, 1346930), (25, 808158), (26, 777075), (30, 673465), (39, 518050), (50, 404079), (65, 310830), (75, 269386), (78, 259025), (130, 155415), (150, 134693), (169, 119550), (195, 103610), (325, 62166), (338, 59775), (390, 51805), (507, 39850), (650, 31083), (797, 25350), (845, 23910), (975, 20722), (1014, 19925), (1594, 12675), (1690, 11955), (1950, 10361), (2391, 8450), (2535, 7970), (3985, 5070), (4225, 4782)]