20307510

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:220

約数の個数: 96

約数和(自身を含む): 56058912

約数和(自身を除く): 35751402

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 61, 81, 90, 122, 135, 137, 162, 183, 243, 270, 274, 305, 366, 405, 411, 486, 549, 610, 685, 810, 822, 915, 1098, 1215, 1233, 1370, 1647, 1830, 2055, 2430, 2466, 2745, 3294, 3699, 4110, 4941, 5490, 6165, 7398, 8235, 8357, 9882, 11097, 12330, 14823, 16470, 16714, 18495, 22194, 24705, 25071, 29646, 33291, 36990, 41785, 49410, 50142, 55485, 66582, 74115, 75213, 83570, 110970, 125355, 148230, 150426, 166455, 225639, 250710, 332910, 376065, 451278, 676917, 752130, 1128195, 1353834, 2030751, 2256390, 3384585, 4061502, 6769170, 10153755, 20307510]

約数ペア:

[(1, 20307510), (2, 10153755), (3, 6769170), (5, 4061502), (6, 3384585), (9, 2256390), (10, 2030751), (15, 1353834), (18, 1128195), (27, 752130), (30, 676917), (45, 451278), (54, 376065), (61, 332910), (81, 250710), (90, 225639), (122, 166455), (135, 150426), (137, 148230), (162, 125355), (183, 110970), (243, 83570), (270, 75213), (274, 74115), (305, 66582), (366, 55485), (405, 50142), (411, 49410), (486, 41785), (549, 36990), (610, 33291), (685, 29646), (810, 25071), (822, 24705), (915, 22194), (1098, 18495), (1215, 16714), (1233, 16470), (1370, 14823), (1647, 12330), (1830, 11097), (2055, 9882), (2430, 8357), (2466, 8235), (2745, 7398), (3294, 6165), (3699, 5490), (4110, 4941)]