20175892130

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{491}}^1$

素因数の和:684

約数の個数: 128

約数和(自身を含む): 39849449472

約数和(自身を除く): 19673557342

約数列:

[1, 2, 5, 10, 31, 41, 53, 61, 62, 82, 106, 122, 155, 205, 265, 305, 310, 410, 491, 530, 610, 982, 1271, 1643, 1891, 2173, 2455, 2501, 2542, 3233, 3286, 3782, 4346, 4910, 5002, 6355, 6466, 8215, 9455, 10865, 12505, 12710, 15221, 16165, 16430, 18910, 20131, 21730, 25010, 26023, 29951, 30442, 32330, 40262, 52046, 59902, 67363, 76105, 77531, 100223, 100655, 130115, 132553, 134726, 149755, 152210, 155062, 200446, 201310, 260230, 265106, 299510, 336815, 387655, 501115, 624061, 662765, 673630, 775310, 806713, 928481, 1002230, 1066943, 1227991, 1248122, 1325530, 1587403, 1613426, 1856962, 2133886, 2455982, 3120305, 3174806, 4033565, 4109143, 4642405, 5334715, 6139955, 6240610, 7937015, 8067130, 8218286, 9284810, 10669430, 12279910, 15874030, 20545715, 33075233, 38067721, 41091430, 49209493, 65083523, 66150466, 76135442, 98418986, 130167046, 165376165, 190338605, 246047465, 325417615, 330752330, 380677210, 492094930, 650835230, 2017589213, 4035178426, 10087946065, 20175892130]

約数ペア:

[(1, 20175892130), (2, 10087946065), (5, 4035178426), (10, 2017589213), (31, 650835230), (41, 492094930), (53, 380677210), (61, 330752330), (62, 325417615), (82, 246047465), (106, 190338605), (122, 165376165), (155, 130167046), (205, 98418986), (265, 76135442), (305, 66150466), (310, 65083523), (410, 49209493), (491, 41091430), (530, 38067721), (610, 33075233), (982, 20545715), (1271, 15874030), (1643, 12279910), (1891, 10669430), (2173, 9284810), (2455, 8218286), (2501, 8067130), (2542, 7937015), (3233, 6240610), (3286, 6139955), (3782, 5334715), (4346, 4642405), (4910, 4109143), (5002, 4033565), (6355, 3174806), (6466, 3120305), (8215, 2455982), (9455, 2133886), (10865, 1856962), (12505, 1613426), (12710, 1587403), (15221, 1325530), (16165, 1248122), (16430, 1227991), (18910, 1066943), (20131, 1002230), (21730, 928481), (25010, 806713), (26023, 775310), (29951, 673630), (30442, 662765), (32330, 624061), (40262, 501115), (52046, 387655), (59902, 336815), (67363, 299510), (76105, 265106), (77531, 260230), (100223, 201310), (100655, 200446), (130115, 155062), (132553, 152210), (134726, 149755)]