20165043225675

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^2\times {\mathrm{149}}^1\times {\mathrm{6243869}}^1$

素因数の和:6244065

約数の個数: 72

約数和(自身を含む): 35653746474000

約数和(自身を除く): 15488703248325

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 149, 255, 289, 425, 447, 745, 867, 1275, 1445, 2235, 2533, 3725, 4335, 7225, 7599, 11175, 12665, 21675, 37995, 43061, 63325, 129183, 189975, 215305, 645915, 1076525, 3229575, 6243869, 18731607, 31219345, 93658035, 106145773, 156096725, 318437319, 468290175, 530728865, 930336481, 1592186595, 1804478141, 2653644325, 2791009443, 4651682405, 5413434423, 7960932975, 9022390705, 13955047215, 15815720177, 23258412025, 27067172115, 45111953525, 47447160531, 69775236075, 79078600885, 135335860575, 237235802655, 268867243009, 395393004425, 806601729027, 1186179013275, 1344336215045, 4033008645135, 6721681075225, 20165043225675]

約数ペア:

[(1, 20165043225675), (3, 6721681075225), (5, 4033008645135), (15, 1344336215045), (17, 1186179013275), (25, 806601729027), (51, 395393004425), (75, 268867243009), (85, 237235802655), (149, 135335860575), (255, 79078600885), (289, 69775236075), (425, 47447160531), (447, 45111953525), (745, 27067172115), (867, 23258412025), (1275, 15815720177), (1445, 13955047215), (2235, 9022390705), (2533, 7960932975), (3725, 5413434423), (4335, 4651682405), (7225, 2791009443), (7599, 2653644325), (11175, 1804478141), (12665, 1592186595), (21675, 930336481), (37995, 530728865), (43061, 468290175), (63325, 318437319), (129183, 156096725), (189975, 106145773), (215305, 93658035), (645915, 31219345), (1076525, 18731607), (3229575, 6243869)]