20451778230

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{235159}}^1$

素因数の和:235405

約数の個数: 64

約数和(自身を含む): 53097246720

約数和(自身を除く): 32645468490

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 223, 390, 446, 669, 1115, 1338, 2230, 2899, 3345, 5798, 6690, 8697, 14495, 17394, 28990, 43485, 86970, 235159, 470318, 705477, 1175795, 1410954, 2351590, 3057067, 3527385, 6114134, 7054770, 9171201, 15285335, 18342402, 30570670, 45856005, 52440457, 91712010, 104880914, 157321371, 262202285, 314642742, 524404570, 681725941, 786606855, 1363451882, 1573213710, 2045177823, 3408629705, 4090355646, 6817259410, 10225889115, 20451778230]

約数ペア:

[(1, 20451778230), (2, 10225889115), (3, 6817259410), (5, 4090355646), (6, 3408629705), (10, 2045177823), (13, 1573213710), (15, 1363451882), (26, 786606855), (30, 681725941), (39, 524404570), (65, 314642742), (78, 262202285), (130, 157321371), (195, 104880914), (223, 91712010), (390, 52440457), (446, 45856005), (669, 30570670), (1115, 18342402), (1338, 15285335), (2230, 9171201), (2899, 7054770), (3345, 6114134), (5798, 3527385), (6690, 3057067), (8697, 2351590), (14495, 1410954), (17394, 1175795), (28990, 705477), (43485, 470318), (86970, 235159)]