20187992170

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^2\times {\mathrm{1283}}^1$

素因数の和:1436

約数の個数: 96

約数和(自身を含む): 39900926592

約数和(自身を除く): 19712934422

約数列:

[1, 2, 5, 10, 23, 37, 43, 46, 74, 86, 115, 185, 215, 230, 370, 430, 851, 989, 1283, 1591, 1702, 1849, 1978, 2566, 3182, 3698, 4255, 4945, 6415, 7955, 8510, 9245, 9890, 12830, 15910, 18490, 29509, 36593, 42527, 47471, 55169, 59018, 68413, 73186, 85054, 94942, 110338, 136826, 147545, 182965, 212635, 237355, 275845, 295090, 342065, 365930, 425270, 474710, 551690, 684130, 1091833, 1268887, 1573499, 2041253, 2183666, 2372267, 2537774, 3146998, 4082506, 4744534, 5459165, 6344435, 7867495, 10206265, 10918330, 11861335, 12688870, 15734990, 20412530, 23722670, 46948819, 54562141, 87773879, 93897638, 109124282, 175547758, 234744095, 272810705, 438869395, 469488190, 545621410, 877738790, 2018799217, 4037598434, 10093996085, 20187992170]

約数ペア:

[(1, 20187992170), (2, 10093996085), (5, 4037598434), (10, 2018799217), (23, 877738790), (37, 545621410), (43, 469488190), (46, 438869395), (74, 272810705), (86, 234744095), (115, 175547758), (185, 109124282), (215, 93897638), (230, 87773879), (370, 54562141), (430, 46948819), (851, 23722670), (989, 20412530), (1283, 15734990), (1591, 12688870), (1702, 11861335), (1849, 10918330), (1978, 10206265), (2566, 7867495), (3182, 6344435), (3698, 5459165), (4255, 4744534), (4945, 4082506), (6415, 3146998), (7955, 2537774), (8510, 2372267), (9245, 2183666), (9890, 2041253), (12830, 1573499), (15910, 1268887), (18490, 1091833), (29509, 684130), (36593, 551690), (42527, 474710), (47471, 425270), (55169, 365930), (59018, 342065), (68413, 295090), (73186, 275845), (85054, 237355), (94942, 212635), (110338, 182965), (136826, 147545)]