20197675775

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{503}}^1\times {\mathrm{883}}^1$

素因数の和:1520

約数の個数: 48

約数和(自身を含む): 26849781504

約数和(自身を除く): 6652105729

約数列:

[1, 5, 17, 25, 85, 107, 425, 503, 535, 883, 1819, 2515, 2675, 4415, 8551, 9095, 12575, 15011, 22075, 42755, 45475, 53821, 75055, 94481, 213775, 269105, 375275, 444149, 472405, 914957, 1345525, 1606177, 2220745, 2362025, 4574785, 7550533, 8030885, 11103725, 22873925, 37752665, 40154425, 47523943, 188763325, 237619715, 807907031, 1188098575, 4039535155, 20197675775]

約数ペア:

[(1, 20197675775), (5, 4039535155), (17, 1188098575), (25, 807907031), (85, 237619715), (107, 188763325), (425, 47523943), (503, 40154425), (535, 37752665), (883, 22873925), (1819, 11103725), (2515, 8030885), (2675, 7550533), (4415, 4574785), (8551, 2362025), (9095, 2220745), (12575, 1606177), (15011, 1345525), (22075, 914957), (42755, 472405), (45475, 444149), (53821, 375275), (75055, 269105), (94481, 213775)]