20211459480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{676421}}^1$

素因数の和:676521

約数の個数: 96

約数和(自身を含む): 66478754160

約数和(自身を除く): 46267294680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 83, 90, 120, 166, 180, 249, 332, 360, 415, 498, 664, 747, 830, 996, 1245, 1494, 1660, 1992, 2490, 2988, 3320, 3735, 4980, 5976, 7470, 9960, 14940, 29880, 676421, 1352842, 2029263, 2705684, 3382105, 4058526, 5411368, 6087789, 6764210, 8117052, 10146315, 12175578, 13528420, 16234104, 20292630, 24351156, 27056840, 30438945, 40585260, 48702312, 56142943, 60877890, 81170520, 112285886, 121755780, 168428829, 224571772, 243511560, 280714715, 336857658, 449143544, 505286487, 561429430, 673715316, 842144145, 1010572974, 1122858860, 1347430632, 1684288290, 2021145948, 2245717720, 2526432435, 3368576580, 4042291896, 5052864870, 6737153160, 10105729740, 20211459480]

約数ペア:

[(1, 20211459480), (2, 10105729740), (3, 6737153160), (4, 5052864870), (5, 4042291896), (6, 3368576580), (8, 2526432435), (9, 2245717720), (10, 2021145948), (12, 1684288290), (15, 1347430632), (18, 1122858860), (20, 1010572974), (24, 842144145), (30, 673715316), (36, 561429430), (40, 505286487), (45, 449143544), (60, 336857658), (72, 280714715), (83, 243511560), (90, 224571772), (120, 168428829), (166, 121755780), (180, 112285886), (249, 81170520), (332, 60877890), (360, 56142943), (415, 48702312), (498, 40585260), (664, 30438945), (747, 27056840), (830, 24351156), (996, 20292630), (1245, 16234104), (1494, 13528420), (1660, 12175578), (1992, 10146315), (2490, 8117052), (2988, 6764210), (3320, 6087789), (3735, 5411368), (4980, 4058526), (5976, 3382105), (7470, 2705684), (9960, 2029263), (14940, 1352842), (29880, 676421)]