20085599680

素因数分解:

$2^6\times 5^1\times {\mathrm{983}}^1\times {\mathrm{63853}}^1$

素因数の和:64853

約数の個数: 56

約数和(自身を含む): 47878240032

約数和(自身を除く): 27792640352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 983, 1966, 3932, 4915, 7864, 9830, 15728, 19660, 31456, 39320, 62912, 63853, 78640, 127706, 157280, 255412, 314560, 319265, 510824, 638530, 1021648, 1277060, 2043296, 2554120, 4086592, 5108240, 10216480, 20432960, 62767499, 125534998, 251069996, 313837495, 502139992, 627674990, 1004279984, 1255349980, 2008559968, 2510699960, 4017119936, 5021399920, 10042799840, 20085599680]

約数ペア:

[(1, 20085599680), (2, 10042799840), (4, 5021399920), (5, 4017119936), (8, 2510699960), (10, 2008559968), (16, 1255349980), (20, 1004279984), (32, 627674990), (40, 502139992), (64, 313837495), (80, 251069996), (160, 125534998), (320, 62767499), (983, 20432960), (1966, 10216480), (3932, 5108240), (4915, 4086592), (7864, 2554120), (9830, 2043296), (15728, 1277060), (19660, 1021648), (31456, 638530), (39320, 510824), (62912, 319265), (63853, 314560), (78640, 255412), (127706, 157280)]