20199270525

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{269}}^1\times {\mathrm{281}}^1\times {\mathrm{509}}^1$

素因数の和:1079

約数の個数: 96

約数和(自身を含む): 38520748800

約数和(自身を除く): 18321478275

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 269, 281, 509, 525, 807, 843, 1345, 1405, 1527, 1883, 1967, 2545, 3563, 4035, 4215, 5649, 5901, 6725, 7025, 7635, 9415, 9835, 10689, 12725, 17815, 20175, 21075, 28245, 29505, 38175, 47075, 49175, 53445, 75589, 89075, 136921, 141225, 143029, 147525, 226767, 267225, 377945, 410763, 429087, 529123, 684605, 715145, 958447, 1001203, 1133835, 1587369, 1889725, 2053815, 2145435, 2645615, 2875341, 3003609, 3423025, 3575725, 4792235, 5006015, 5669175, 7936845, 10269075, 10727175, 13228075, 14376705, 15018045, 23961175, 25030075, 38474801, 39684225, 71883525, 75090225, 115424403, 192374005, 269323607, 577122015, 807970821, 961870025, 1346618035, 2885610075, 4039854105, 6733090175, 20199270525]

約数ペア:

[(1, 20199270525), (3, 6733090175), (5, 4039854105), (7, 2885610075), (15, 1346618035), (21, 961870025), (25, 807970821), (35, 577122015), (75, 269323607), (105, 192374005), (175, 115424403), (269, 75090225), (281, 71883525), (509, 39684225), (525, 38474801), (807, 25030075), (843, 23961175), (1345, 15018045), (1405, 14376705), (1527, 13228075), (1883, 10727175), (1967, 10269075), (2545, 7936845), (3563, 5669175), (4035, 5006015), (4215, 4792235), (5649, 3575725), (5901, 3423025), (6725, 3003609), (7025, 2875341), (7635, 2645615), (9415, 2145435), (9835, 2053815), (10689, 1889725), (12725, 1587369), (17815, 1133835), (20175, 1001203), (21075, 958447), (28245, 715145), (29505, 684605), (38175, 529123), (47075, 429087), (49175, 410763), (53445, 377945), (75589, 267225), (89075, 226767), (136921, 147525), (141225, 143029)]