20285304832

素因数分解:

$2^{12}\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{12289}}^1$

素因数の和:12357

約数の個数: 104

約数和(自身を含む): 45098990720

約数和(自身を除く): 24813685888

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 208, 248, 256, 403, 416, 496, 512, 806, 832, 992, 1024, 1612, 1664, 1984, 2048, 3224, 3328, 3968, 4096, 6448, 6656, 7936, 12289, 12896, 13312, 15872, 24578, 25792, 26624, 31744, 49156, 51584, 53248, 63488, 98312, 103168, 126976, 159757, 196624, 206336, 319514, 380959, 393248, 412672, 639028, 761918, 786496, 825344, 1278056, 1523836, 1572992, 1650688, 2556112, 3047672, 3145984, 4952467, 5112224, 6095344, 6291968, 9904934, 10224448, 12190688, 12583936, 19809868, 20448896, 24381376, 25167872, 39619736, 40897792, 48762752, 50335744, 79239472, 81795584, 97525504, 158478944, 163591168, 195051008, 316957888, 327182336, 390102016, 633915776, 654364672, 780204032, 1267831552, 1560408064, 2535663104, 5071326208, 10142652416, 20285304832]

約数ペア:

[(1, 20285304832), (2, 10142652416), (4, 5071326208), (8, 2535663104), (13, 1560408064), (16, 1267831552), (26, 780204032), (31, 654364672), (32, 633915776), (52, 390102016), (62, 327182336), (64, 316957888), (104, 195051008), (124, 163591168), (128, 158478944), (208, 97525504), (248, 81795584), (256, 79239472), (403, 50335744), (416, 48762752), (496, 40897792), (512, 39619736), (806, 25167872), (832, 24381376), (992, 20448896), (1024, 19809868), (1612, 12583936), (1664, 12190688), (1984, 10224448), (2048, 9904934), (3224, 6291968), (3328, 6095344), (3968, 5112224), (4096, 4952467), (6448, 3145984), (6656, 3047672), (7936, 2556112), (12289, 1650688), (12896, 1572992), (13312, 1523836), (15872, 1278056), (24578, 825344), (25792, 786496), (26624, 761918), (31744, 639028), (49156, 412672), (51584, 393248), (53248, 380959), (63488, 319514), (98312, 206336), (103168, 196624), (126976, 159757)]