20154163952

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{438439}}^1$

素因数の和:438490

約数の個数: 60

約数和(自身を含む): 44770862160

約数和(自身を除く): 24616698208

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 169, 208, 221, 272, 338, 442, 676, 884, 1352, 1768, 2704, 2873, 3536, 5746, 11492, 22984, 45968, 438439, 876878, 1753756, 3507512, 5699707, 7015024, 7453463, 11399414, 14906926, 22798828, 29813852, 45597656, 59627704, 74096191, 91195312, 96895019, 119255408, 148192382, 193790038, 296384764, 387580076, 592769528, 775160152, 1185539056, 1259635247, 1550320304, 2519270494, 5038540988, 10077081976, 20154163952]

約数ペア:

[(1, 20154163952), (2, 10077081976), (4, 5038540988), (8, 2519270494), (13, 1550320304), (16, 1259635247), (17, 1185539056), (26, 775160152), (34, 592769528), (52, 387580076), (68, 296384764), (104, 193790038), (136, 148192382), (169, 119255408), (208, 96895019), (221, 91195312), (272, 74096191), (338, 59627704), (442, 45597656), (676, 29813852), (884, 22798828), (1352, 14906926), (1768, 11399414), (2704, 7453463), (2873, 7015024), (3536, 5699707), (5746, 3507512), (11492, 1753756), (22984, 876878), (45968, 438439)]