20001786636

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1\times {\mathrm{18143}}^1$

素因数の和:18391

約数の個数: 96

約数和(自身を含む): 51892420608

約数和(自身を除く): 31890633972

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 37, 39, 52, 74, 78, 111, 148, 156, 191, 222, 382, 444, 481, 573, 764, 962, 1146, 1443, 1924, 2292, 2483, 2886, 4966, 5772, 7067, 7449, 9932, 14134, 14898, 18143, 21201, 28268, 29796, 36286, 42402, 54429, 72572, 84804, 91871, 108858, 183742, 217716, 235859, 275613, 367484, 471718, 551226, 671291, 707577, 943436, 1102452, 1342582, 1415154, 2013873, 2685164, 2830308, 3465313, 4027746, 6930626, 8055492, 8726783, 10395939, 13861252, 17453566, 20791878, 26180349, 34907132, 41583756, 45049069, 52360698, 90098138, 104721396, 128216581, 135147207, 180196276, 256433162, 270294414, 384649743, 512866324, 540588828, 769299486, 1538598972, 1666815553, 3333631106, 5000446659, 6667262212, 10000893318, 20001786636]

約数ペア:

[(1, 20001786636), (2, 10000893318), (3, 6667262212), (4, 5000446659), (6, 3333631106), (12, 1666815553), (13, 1538598972), (26, 769299486), (37, 540588828), (39, 512866324), (52, 384649743), (74, 270294414), (78, 256433162), (111, 180196276), (148, 135147207), (156, 128216581), (191, 104721396), (222, 90098138), (382, 52360698), (444, 45049069), (481, 41583756), (573, 34907132), (764, 26180349), (962, 20791878), (1146, 17453566), (1443, 13861252), (1924, 10395939), (2292, 8726783), (2483, 8055492), (2886, 6930626), (4966, 4027746), (5772, 3465313), (7067, 2830308), (7449, 2685164), (9932, 2013873), (14134, 1415154), (14898, 1342582), (18143, 1102452), (21201, 943436), (28268, 707577), (29796, 671291), (36286, 551226), (42402, 471718), (54429, 367484), (72572, 275613), (84804, 235859), (91871, 217716), (108858, 183742)]