20328984

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{587}}^1$

素因数の和:649

約数の個数: 96

約数和(自身を含む): 60999120

約数和(自身を除く): 40670136

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 37, 39, 52, 72, 74, 78, 104, 111, 117, 148, 156, 222, 234, 296, 312, 333, 444, 468, 481, 587, 666, 888, 936, 962, 1174, 1332, 1443, 1761, 1924, 2348, 2664, 2886, 3522, 3848, 4329, 4696, 5283, 5772, 7044, 7631, 8658, 10566, 11544, 14088, 15262, 17316, 21132, 21719, 22893, 30524, 34632, 42264, 43438, 45786, 61048, 65157, 68679, 86876, 91572, 130314, 137358, 173752, 183144, 195471, 260628, 274716, 282347, 390942, 521256, 549432, 564694, 781884, 847041, 1129388, 1563768, 1694082, 2258776, 2541123, 3388164, 5082246, 6776328, 10164492, 20328984]

約数ペア:

[(1, 20328984), (2, 10164492), (3, 6776328), (4, 5082246), (6, 3388164), (8, 2541123), (9, 2258776), (12, 1694082), (13, 1563768), (18, 1129388), (24, 847041), (26, 781884), (36, 564694), (37, 549432), (39, 521256), (52, 390942), (72, 282347), (74, 274716), (78, 260628), (104, 195471), (111, 183144), (117, 173752), (148, 137358), (156, 130314), (222, 91572), (234, 86876), (296, 68679), (312, 65157), (333, 61048), (444, 45786), (468, 43438), (481, 42264), (587, 34632), (666, 30524), (888, 22893), (936, 21719), (962, 21132), (1174, 17316), (1332, 15262), (1443, 14088), (1761, 11544), (1924, 10566), (2348, 8658), (2664, 7631), (2886, 7044), (3522, 5772), (3848, 5283), (4329, 4696)]