20567820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3767}}^1$

素因数の和:3799

約数の個数: 96

約数和(自身を含む): 70898688

約数和(自身を除く): 50330868

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 3767, 5460, 7534, 11301, 15068, 18835, 22602, 26369, 37670, 45204, 48971, 52738, 56505, 75340, 79107, 97942, 105476, 113010, 131845, 146913, 158214, 195884, 226020, 244855, 263690, 293826, 316428, 342797, 395535, 489710, 527380, 587652, 685594, 734565, 791070, 979420, 1028391, 1371188, 1469130, 1582140, 1713985, 2056782, 2938260, 3427970, 4113564, 5141955, 6855940, 10283910, 20567820]

約数ペア:

[(1, 20567820), (2, 10283910), (3, 6855940), (4, 5141955), (5, 4113564), (6, 3427970), (7, 2938260), (10, 2056782), (12, 1713985), (13, 1582140), (14, 1469130), (15, 1371188), (20, 1028391), (21, 979420), (26, 791070), (28, 734565), (30, 685594), (35, 587652), (39, 527380), (42, 489710), (52, 395535), (60, 342797), (65, 316428), (70, 293826), (78, 263690), (84, 244855), (91, 226020), (105, 195884), (130, 158214), (140, 146913), (156, 131845), (182, 113010), (195, 105476), (210, 97942), (260, 79107), (273, 75340), (364, 56505), (390, 52738), (420, 48971), (455, 45204), (546, 37670), (780, 26369), (910, 22602), (1092, 18835), (1365, 15068), (1820, 11301), (2730, 7534), (3767, 5460)]