20358889675

素因数分解:

$5^2\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1\times {\mathrm{887}}^1$

素因数の和:1228

約数の個数: 48

約数和(自身を含む): 26146755072

約数和(自身を除く): 5787865397

約数列:

[1, 5, 25, 67, 71, 193, 335, 355, 887, 965, 1675, 1775, 4435, 4757, 4825, 12931, 13703, 22175, 23785, 59429, 62977, 64655, 68515, 118925, 171191, 297145, 314885, 323275, 342575, 855955, 918101, 1485725, 1574425, 4219459, 4279775, 4590505, 11469797, 12154561, 21097295, 22952525, 57348985, 60772805, 105486475, 286744925, 303864025, 814355587, 4071777935, 20358889675]

約数ペア:

[(1, 20358889675), (5, 4071777935), (25, 814355587), (67, 303864025), (71, 286744925), (193, 105486475), (335, 60772805), (355, 57348985), (887, 22952525), (965, 21097295), (1675, 12154561), (1775, 11469797), (4435, 4590505), (4757, 4279775), (4825, 4219459), (12931, 1574425), (13703, 1485725), (22175, 918101), (23785, 855955), (59429, 342575), (62977, 323275), (64655, 314885), (68515, 297145), (118925, 171191)]