20789340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2423}}^1$

素因数の和:2459

約数の個数: 96

約数和(自身を含む): 68414976

約数和(自身を除く): 47625636

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 15, 20, 22, 26, 30, 33, 39, 44, 52, 55, 60, 65, 66, 78, 110, 130, 132, 143, 156, 165, 195, 220, 260, 286, 330, 390, 429, 572, 660, 715, 780, 858, 1430, 1716, 2145, 2423, 2860, 4290, 4846, 7269, 8580, 9692, 12115, 14538, 24230, 26653, 29076, 31499, 36345, 48460, 53306, 62998, 72690, 79959, 94497, 106612, 125996, 133265, 145380, 157495, 159918, 188994, 266530, 314990, 319836, 346489, 377988, 399795, 472485, 533060, 629980, 692978, 799590, 944970, 1039467, 1385956, 1599180, 1732445, 1889940, 2078934, 3464890, 4157868, 5197335, 6929780, 10394670, 20789340]

約数ペア:

[(1, 20789340), (2, 10394670), (3, 6929780), (4, 5197335), (5, 4157868), (6, 3464890), (10, 2078934), (11, 1889940), (12, 1732445), (13, 1599180), (15, 1385956), (20, 1039467), (22, 944970), (26, 799590), (30, 692978), (33, 629980), (39, 533060), (44, 472485), (52, 399795), (55, 377988), (60, 346489), (65, 319836), (66, 314990), (78, 266530), (110, 188994), (130, 159918), (132, 157495), (143, 145380), (156, 133265), (165, 125996), (195, 106612), (220, 94497), (260, 79959), (286, 72690), (330, 62998), (390, 53306), (429, 48460), (572, 36345), (660, 31499), (715, 29076), (780, 26653), (858, 24230), (1430, 14538), (1716, 12115), (2145, 9692), (2423, 8580), (2860, 7269), (4290, 4846)]