20914717440

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{5446541}}^1$

素因数の和:5446565

約数の個数: 72

約数和(自身を含む): 66796391088

約数和(自身を除く): 45881673648

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 640, 768, 960, 1280, 1920, 3840, 5446541, 10893082, 16339623, 21786164, 27232705, 32679246, 43572328, 54465410, 65358492, 81698115, 87144656, 108930820, 130716984, 163396230, 174289312, 217861640, 261433968, 326792460, 348578624, 435723280, 522867936, 653584920, 697157248, 871446560, 1045735872, 1307169840, 1394314496, 1742893120, 2091471744, 2614339680, 3485786240, 4182943488, 5228679360, 6971572480, 10457358720, 20914717440]

約数ペア:

[(1, 20914717440), (2, 10457358720), (3, 6971572480), (4, 5228679360), (5, 4182943488), (6, 3485786240), (8, 2614339680), (10, 2091471744), (12, 1742893120), (15, 1394314496), (16, 1307169840), (20, 1045735872), (24, 871446560), (30, 697157248), (32, 653584920), (40, 522867936), (48, 435723280), (60, 348578624), (64, 326792460), (80, 261433968), (96, 217861640), (120, 174289312), (128, 163396230), (160, 130716984), (192, 108930820), (240, 87144656), (256, 81698115), (320, 65358492), (384, 54465410), (480, 43572328), (640, 32679246), (768, 27232705), (960, 21786164), (1280, 16339623), (1920, 10893082), (3840, 5446541)]