20178570910

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{241}}^1\times {\mathrm{12553}}^1$

素因数の和:12853

約数の個数: 64

約数和(自身を含む): 39373361280

約数和(自身を除く): 19194790370

約数列:

[1, 2, 5, 10, 23, 29, 46, 58, 115, 145, 230, 241, 290, 482, 667, 1205, 1334, 2410, 3335, 5543, 6670, 6989, 11086, 12553, 13978, 25106, 27715, 34945, 55430, 62765, 69890, 125530, 160747, 288719, 321494, 364037, 577438, 728074, 803735, 1443595, 1607470, 1820185, 2887190, 3025273, 3640370, 6050546, 8372851, 15126365, 16745702, 30252730, 41864255, 69581279, 83728510, 87732917, 139162558, 175465834, 347906395, 438664585, 695812790, 877329170, 2017857091, 4035714182, 10089285455, 20178570910]

約数ペア:

[(1, 20178570910), (2, 10089285455), (5, 4035714182), (10, 2017857091), (23, 877329170), (29, 695812790), (46, 438664585), (58, 347906395), (115, 175465834), (145, 139162558), (230, 87732917), (241, 83728510), (290, 69581279), (482, 41864255), (667, 30252730), (1205, 16745702), (1334, 15126365), (2410, 8372851), (3335, 6050546), (5543, 3640370), (6670, 3025273), (6989, 2887190), (11086, 1820185), (12553, 1607470), (13978, 1443595), (25106, 803735), (27715, 728074), (34945, 577438), (55430, 364037), (62765, 321494), (69890, 288719), (125530, 160747)]