20513305725

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{1723}}^1\times {\mathrm{14431}}^1$

素因数の和:16178

約数の個数: 48

約数和(自身を含む): 37022582784

約数和(自身を除く): 16509277059

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 165, 275, 825, 1723, 5169, 8615, 14431, 18953, 25845, 43075, 43293, 56859, 72155, 94765, 129225, 158741, 216465, 284295, 360775, 473825, 476223, 793705, 1082325, 1421475, 2381115, 3968525, 11905575, 24864613, 74593839, 124323065, 273510743, 372969195, 621615325, 820532229, 1367553715, 1864845975, 4102661145, 6837768575, 20513305725]

約数ペア:

[(1, 20513305725), (3, 6837768575), (5, 4102661145), (11, 1864845975), (15, 1367553715), (25, 820532229), (33, 621615325), (55, 372969195), (75, 273510743), (165, 124323065), (275, 74593839), (825, 24864613), (1723, 11905575), (5169, 3968525), (8615, 2381115), (14431, 1421475), (18953, 1082325), (25845, 793705), (43075, 476223), (43293, 473825), (56859, 360775), (72155, 284295), (94765, 216465), (129225, 158741)]