20499334775

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{331}}^1$

素因数の和:513

約数の個数: 96

約数和(自身を含む): 28384183296

約数和(自身を除く): 7884848521

約数列:

[1, 5, 23, 25, 37, 41, 71, 115, 185, 205, 331, 355, 575, 851, 925, 943, 1025, 1517, 1633, 1655, 1775, 2627, 2911, 4255, 4715, 7585, 7613, 8165, 8275, 12247, 13135, 13571, 14555, 21275, 23501, 23575, 34891, 37925, 38065, 40825, 60421, 61235, 65675, 66953, 67855, 72775, 107707, 117505, 174455, 190325, 281681, 302105, 306175, 312133, 334765, 339275, 502127, 538535, 540523, 587525, 869537, 872275, 963541, 1408405, 1510525, 1560665, 1673825, 2477261, 2510635, 2692675, 2702615, 4347685, 4817705, 7042025, 7803325, 11548921, 12386305, 12553175, 13513075, 19999351, 21738425, 22161443, 24088525, 35651017, 57744605, 61931525, 99996755, 110807215, 178255085, 288723025, 499983775, 554036075, 819973391, 891275425, 4099866955, 20499334775]

約数ペア:

[(1, 20499334775), (5, 4099866955), (23, 891275425), (25, 819973391), (37, 554036075), (41, 499983775), (71, 288723025), (115, 178255085), (185, 110807215), (205, 99996755), (331, 61931525), (355, 57744605), (575, 35651017), (851, 24088525), (925, 22161443), (943, 21738425), (1025, 19999351), (1517, 13513075), (1633, 12553175), (1655, 12386305), (1775, 11548921), (2627, 7803325), (2911, 7042025), (4255, 4817705), (4715, 4347685), (7585, 2702615), (7613, 2692675), (8165, 2510635), (8275, 2477261), (12247, 1673825), (13135, 1560665), (13571, 1510525), (14555, 1408405), (21275, 963541), (23501, 872275), (23575, 869537), (34891, 587525), (37925, 540523), (38065, 538535), (40825, 502127), (60421, 339275), (61235, 334765), (65675, 312133), (66953, 306175), (67855, 302105), (72775, 281681), (107707, 190325), (117505, 174455)]