20911830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{30307}}^1$

素因数の和:30340

約数の個数: 32

約数和(自身を含む): 52372224

約数和(自身を除く): 31460394

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 30307, 60614, 90921, 151535, 181842, 303070, 454605, 697061, 909210, 1394122, 2091183, 3485305, 4182366, 6970610, 10455915, 20911830]

約数ペア:

[(1, 20911830), (2, 10455915), (3, 6970610), (5, 4182366), (6, 3485305), (10, 2091183), (15, 1394122), (23, 909210), (30, 697061), (46, 454605), (69, 303070), (115, 181842), (138, 151535), (230, 90921), (345, 60614), (690, 30307)]