20216700

素因数分解:

$2^2\times 3^2\times 5^2\times 7^1\times {\mathrm{3209}}^1$

素因数の和:3236

約数の個数: 108

約数和(自身を含む): 72443280

約数和(自身を除く): 52226580

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 45, 50, 60, 63, 70, 75, 84, 90, 100, 105, 126, 140, 150, 175, 180, 210, 225, 252, 300, 315, 350, 420, 450, 525, 630, 700, 900, 1050, 1260, 1575, 2100, 3150, 3209, 6300, 6418, 9627, 12836, 16045, 19254, 22463, 28881, 32090, 38508, 44926, 48135, 57762, 64180, 67389, 80225, 89852, 96270, 112315, 115524, 134778, 144405, 160450, 192540, 202167, 224630, 240675, 269556, 288810, 320900, 336945, 404334, 449260, 481350, 561575, 577620, 673890, 722025, 808668, 962700, 1010835, 1123150, 1347780, 1444050, 1684725, 2021670, 2246300, 2888100, 3369450, 4043340, 5054175, 6738900, 10108350, 20216700]

約数ペア:

[(1, 20216700), (2, 10108350), (3, 6738900), (4, 5054175), (5, 4043340), (6, 3369450), (7, 2888100), (9, 2246300), (10, 2021670), (12, 1684725), (14, 1444050), (15, 1347780), (18, 1123150), (20, 1010835), (21, 962700), (25, 808668), (28, 722025), (30, 673890), (35, 577620), (36, 561575), (42, 481350), (45, 449260), (50, 404334), (60, 336945), (63, 320900), (70, 288810), (75, 269556), (84, 240675), (90, 224630), (100, 202167), (105, 192540), (126, 160450), (140, 144405), (150, 134778), (175, 115524), (180, 112315), (210, 96270), (225, 89852), (252, 80225), (300, 67389), (315, 64180), (350, 57762), (420, 48135), (450, 44926), (525, 38508), (630, 32090), (700, 28881), (900, 22463), (1050, 19254), (1260, 16045), (1575, 12836), (2100, 9627), (3150, 6418), (3209, 6300)]